Added tests for assignment
Added resource for UsersToSubjects and fixed a bug in subject_resource_test.py
Deleted useless file
Changed uploads location to a more visible one
Fixed conflicts for f/#36 branch
Fixed bug in vmc_backend/tests.py
's assignmentmodeltest
Added filters for assignments and userstosubjects models #34 #35
Fixed broken __str__ method in SubmissionComment model
added script to autopopulate db
lowered the number of entries
merged files